docs: def upload(self, name: str) -> bool:
          """
          Attempts to upload a given Docker image from this server to DockerHub.
  
          Parameters:
              name: the name of the Docker image.
  
          Returns:
              `True` if successfully uploaded, otherwise `False`.
          """
          try:
              out = self.__docker.images.push(name, stream=True)
              for line in out:
                  line = line.strip().decode('utf-8')
                  jsn = json.loads(line)
                  if 'progress' in jsn:
                      line = "{}. {}.".format(jsn['status'], jsn['progress'])
                      print(line, end='\r')
                  elif 'status' in jsn:
                      print(jsn['status'])
              print('uploaded image to DockerHub: {}'.format(name))
              return True
          except docker.errors.NotFound:
              print("Failed to push image ({}): not installed.".format(name))
              return False